Bukhari 3476

Narrated Ibn Mas`ud:I heard a person reciting a (Qur'anic) Verse in a certain way, and I had heard the Prophet (ﷺ) reciting the same Verse in a different way. So I took him to the Prophet (ﷺ) and informed him of that but I noticed the sign of disapproval on his face, and then he said, "Both of you are correct, so don't differ, for the nations before you differed, so they were destroyed